Re: [PATCH v3 3/4] Staging: iio: adis16209: Adjust a switch statement

From: Jonathan Cameron
Date: Wed Mar 07 2018 - 16:07:38 EST


On Sun, 4 Mar 2018 18:13:12 +0530
Shreeya Patel <shreeya.patel23498@xxxxxxxxx> wrote:

> Adjust a switch block to explicitly match channels and
> return -EINVAL as default case which makes the code
> semantically more clear.
>
> Signed-off-by: Shreeya Patel <shreeya.patel23498@xxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan.
> ---
>
> Changes in v3
> -After split patch.
>
> drivers/staging/iio/accel/adis16209.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/iio/accel/adis16209.c b/drivers/staging/iio/accel/adis16209.c
> index eb5c878..9cb1ce0 100644
> --- a/drivers/staging/iio/accel/adis16209.c
> +++ b/drivers/staging/iio/accel/adis16209.c
> @@ -155,10 +155,16 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
> switch (chan->type) {
> case IIO_VOLTAGE:
> *val = 0;
> - if (chan->channel == 0)
> + switch (chan->channel) {
> + case 0:
> *val2 = 305180; /* 0.30518 mV */
> - else
> + break;
> + case 1:
> *val2 = 610500; /* 0.6105 mV */
> + break;
> + default:
> + return -EINVAL;
> + }
> return IIO_VAL_INT_PLUS_MICRO;
> case IIO_TEMP:
> *val = -470;